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Family name Lapassanun (Lapassanun ) , globally, is an extremely rare surname. Much more frequently, Lapassanun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lapassanun | Thailand |
Pirada, Reukngam, Sakdhiphattarakul, Thongmee, and Krongkiettikul